WO2014024933A1 - ガラスシートフッ素樹脂積層体 - Google Patents
ガラスシートフッ素樹脂積層体 Download PDFInfo
- Publication number
- WO2014024933A1 WO2014024933A1 PCT/JP2013/071401 JP2013071401W WO2014024933A1 WO 2014024933 A1 WO2014024933 A1 WO 2014024933A1 JP 2013071401 W JP2013071401 W JP 2013071401W WO 2014024933 A1 WO2014024933 A1 WO 2014024933A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- fluororesin
- glass sheet
- laminate
- thickness
- glass
- Prior art date
Links
- 229920005989 resin Polymers 0.000 title abstract description 40
- 239000011347 resin Substances 0.000 title abstract description 40
- 239000011521 glass Substances 0.000 claims abstract description 123
- 238000006243 chemical reaction Methods 0.000 claims abstract description 19
- 230000001681 protective effect Effects 0.000 claims abstract description 12
- 238000002834 transmittance Methods 0.000 claims abstract description 8
- 239000011247 coating layer Substances 0.000 claims description 35
- 239000010410 layer Substances 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 20
- 238000000576 coating method Methods 0.000 claims description 14
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000011248 coating agent Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 9
- 239000004065 semiconductor Substances 0.000 claims description 6
- 239000002033 PVDF binder Substances 0.000 claims description 3
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 3
- 239000010408 film Substances 0.000 description 40
- 229910052731 fluorine Inorganic materials 0.000 description 31
- -1 diene compound Chemical class 0.000 description 29
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 27
- 239000011737 fluorine Substances 0.000 description 27
- 229920001577 copolymer Polymers 0.000 description 18
- 229920000642 polymer Polymers 0.000 description 18
- 238000000034 method Methods 0.000 description 15
- 239000007787 solid Substances 0.000 description 11
- 238000004528 spin coating Methods 0.000 description 11
- 229920001519 homopolymer Polymers 0.000 description 9
- 239000013032 Hydrocarbon resin Substances 0.000 description 8
- 239000000945 filler Substances 0.000 description 8
- 229920006270 hydrocarbon resin Polymers 0.000 description 8
- 239000000178 monomer Substances 0.000 description 8
- 238000012360 testing method Methods 0.000 description 8
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 7
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- 238000004140 cleaning Methods 0.000 description 6
- 230000007547 defect Effects 0.000 description 6
- 238000010438 heat treatment Methods 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 5
- NIXOWILDQLNWCW-UHFFFAOYSA-M Acrylate Chemical compound [O-]C(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-M 0.000 description 5
- 125000001153 fluoro group Chemical group F* 0.000 description 5
- 125000000524 functional group Chemical group 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 229910052751 metal Inorganic materials 0.000 description 5
- 239000002184 metal Substances 0.000 description 5
- 239000000758 substrate Substances 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 150000001336 alkenes Chemical class 0.000 description 4
- 230000004888 barrier function Effects 0.000 description 4
- 230000008901 benefit Effects 0.000 description 4
- 239000005388 borosilicate glass Substances 0.000 description 4
- 239000007789 gas Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- LLHKCFNBLRBOGN-UHFFFAOYSA-N propylene glycol methyl ether acetate Chemical compound COCC(C)OC(C)=O LLHKCFNBLRBOGN-UHFFFAOYSA-N 0.000 description 4
- 239000002356 single layer Substances 0.000 description 4
- IMROMDMJAWUWLK-UHFFFAOYSA-N Ethenol Chemical compound OC=C IMROMDMJAWUWLK-UHFFFAOYSA-N 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000005358 alkali aluminosilicate glass Substances 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 230000006866 deterioration Effects 0.000 description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000012545 processing Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 239000010409 thin film Substances 0.000 description 3
- 239000004812 Fluorinated ethylene propylene Substances 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- QYKIQEUNHZKYBP-UHFFFAOYSA-N Vinyl ether Chemical class C=COC=C QYKIQEUNHZKYBP-UHFFFAOYSA-N 0.000 description 2
- 150000001252 acrylic acid derivatives Chemical class 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000003426 chemical strengthening reaction Methods 0.000 description 2
- UUAGAQFQZIEFAH-UHFFFAOYSA-N chlorotrifluoroethylene Chemical group FC(F)=C(F)Cl UUAGAQFQZIEFAH-UHFFFAOYSA-N 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000011437 continuous method Methods 0.000 description 2
- 238000003851 corona treatment Methods 0.000 description 2
- 239000006059 cover glass Substances 0.000 description 2
- 238000011156 evaluation Methods 0.000 description 2
- 125000003709 fluoroalkyl group Chemical group 0.000 description 2
- 230000009477 glass transition Effects 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229920009441 perflouroethylene propylene Polymers 0.000 description 2
- 238000010248 power generation Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920001567 vinyl ester resin Polymers 0.000 description 2
- JAMNSIXSLVPNLC-UHFFFAOYSA-N (4-ethenylphenyl) acetate Chemical compound CC(=O)OC1=CC=C(C=C)C=C1 JAMNSIXSLVPNLC-UHFFFAOYSA-N 0.000 description 1
- JWKJOADJHWZCLL-UHFFFAOYSA-N 1,2,3,4,5,5,6,6,6-nonafluoro-1-(1,2,3,4,5,5,6,6,6-nonafluorohexa-1,3-dienoxy)hexa-1,3-diene Chemical compound FC(OC(F)=C(F)C(F)=C(F)C(F)(F)C(F)(F)F)=C(F)C(F)=C(F)C(F)(F)C(F)(F)F JWKJOADJHWZCLL-UHFFFAOYSA-N 0.000 description 1
- ONUFSRWQCKNVSL-UHFFFAOYSA-N 1,2,3,4,5-pentafluoro-6-(2,3,4,5,6-pentafluorophenyl)benzene Chemical group FC1=C(F)C(F)=C(F)C(F)=C1C1=C(F)C(F)=C(F)C(F)=C1F ONUFSRWQCKNVSL-UHFFFAOYSA-N 0.000 description 1
- ARXJGSRGQADJSQ-UHFFFAOYSA-N 1-methoxypropan-2-ol Chemical compound COCC(C)O ARXJGSRGQADJSQ-UHFFFAOYSA-N 0.000 description 1
- WGGNJZRNHUJNEM-UHFFFAOYSA-N 2,2,4,4,6,6-hexamethyl-1,3,5,2,4,6-triazatrisilinane Chemical compound C[Si]1(C)N[Si](C)(C)N[Si](C)(C)N1 WGGNJZRNHUJNEM-UHFFFAOYSA-N 0.000 description 1
- JDQSSIORVLOESA-UHFFFAOYSA-N 2,2-difluoro-4,5-bis(trifluoromethyl)-1,3-dioxole Chemical compound FC(F)(F)C1=C(C(F)(F)F)OC(F)(F)O1 JDQSSIORVLOESA-UHFFFAOYSA-N 0.000 description 1
- PGYJSURPYAAOMM-UHFFFAOYSA-N 2-ethenoxy-2-methylpropane Chemical compound CC(C)(C)OC=C PGYJSURPYAAOMM-UHFFFAOYSA-N 0.000 description 1
- ZXABMDQSAABDMG-UHFFFAOYSA-N 3-ethenoxyprop-1-ene Chemical compound C=CCOC=C ZXABMDQSAABDMG-UHFFFAOYSA-N 0.000 description 1
- 241001391944 Commicarpus scandens Species 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 229920007484 Kynar® 760 Polymers 0.000 description 1
- CERQOIWHTDAKMF-UHFFFAOYSA-M Methacrylate Chemical compound CC(=C)C([O-])=O CERQOIWHTDAKMF-UHFFFAOYSA-M 0.000 description 1
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- 229920006367 Neoflon Polymers 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- JPYHHZQJCSQRJY-UHFFFAOYSA-N Phloroglucinol Natural products CCC=CCC=CCC=CCC=CCCCCC(=O)C1=C(O)C=C(O)C=C1O JPYHHZQJCSQRJY-UHFFFAOYSA-N 0.000 description 1
- 239000006087 Silane Coupling Agent Substances 0.000 description 1
- UKLDJPRMSDWDSL-UHFFFAOYSA-L [dibutyl(dodecanoyloxy)stannyl] dodecanoate Chemical compound CCCCCCCCCCCC(=O)O[Sn](CCCC)(CCCC)OC(=O)CCCCCCCCCCC UKLDJPRMSDWDSL-UHFFFAOYSA-L 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 229910000272 alkali metal oxide Inorganic materials 0.000 description 1
- 229910001870 ammonium persulfate Inorganic materials 0.000 description 1
- 230000003373 anti-fouling effect Effects 0.000 description 1
- 239000012298 atmosphere Substances 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- YOALFLHFSFEMLP-UHFFFAOYSA-N azane;2,2,3,3,4,4,5,5,6,6,7,7,8,8,8-pentadecafluorooctanoic acid Chemical compound [NH4+].[O-]C(=O)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F YOALFLHFSFEMLP-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003431 cross linking reagent Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 239000012975 dibutyltin dilaurate Substances 0.000 description 1
- 238000007607 die coating method Methods 0.000 description 1
- 238000003618 dip coating Methods 0.000 description 1
- BNIILDVGGAEEIG-UHFFFAOYSA-L disodium hydrogen phosphate Chemical compound [Na+].[Na+].OP([O-])([O-])=O BNIILDVGGAEEIG-UHFFFAOYSA-L 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000007775 flexo coating Methods 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical compound FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 229920002313 fluoropolymer Polymers 0.000 description 1
- 239000004811 fluoropolymer Substances 0.000 description 1
- 238000007756 gravure coating Methods 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- AMGQUBHHOARCQH-UHFFFAOYSA-N indium;oxotin Chemical compound [In].[Sn]=O AMGQUBHHOARCQH-UHFFFAOYSA-N 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 238000005342 ion exchange Methods 0.000 description 1
- IQPQWNKOIGAROB-UHFFFAOYSA-N isocyanate group Chemical group [N-]=C=O IQPQWNKOIGAROB-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- FYJQJMIEZVMYSD-UHFFFAOYSA-N perfluoro-2-butyltetrahydrofuran Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)C1(F)OC(F)(F)C(F)(F)C1(F)F FYJQJMIEZVMYSD-UHFFFAOYSA-N 0.000 description 1
- RVZRBWKZFJCCIB-UHFFFAOYSA-N perfluorotributylamine Chemical compound FC(F)(F)C(F)(F)C(F)(F)C(F)(F)N(C(F)(F)C(F)(F)C(F)(F)C(F)(F)F)C(F)(F)C(F)(F)C(F)(F)C(F)(F)F RVZRBWKZFJCCIB-UHFFFAOYSA-N 0.000 description 1
- QCDYQQDYXPDABM-UHFFFAOYSA-N phloroglucinol Chemical compound OC1=CC(O)=CC(O)=C1 QCDYQQDYXPDABM-UHFFFAOYSA-N 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920001228 polyisocyanate Polymers 0.000 description 1
- 239000005056 polyisocyanate Substances 0.000 description 1
- 239000003505 polymerization initiator Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 229920001296 polysiloxane Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- BWJUFXUULUEGMA-UHFFFAOYSA-N propan-2-yl propan-2-yloxycarbonyloxy carbonate Chemical compound CC(C)OC(=O)OOC(=O)OC(C)C BWJUFXUULUEGMA-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- FZHAPNGMFPVSLP-UHFFFAOYSA-N silanamine Chemical class [SiH3]N FZHAPNGMFPVSLP-UHFFFAOYSA-N 0.000 description 1
- 150000004756 silanes Chemical class 0.000 description 1
- 239000005361 soda-lime glass Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 230000003746 surface roughness Effects 0.000 description 1
- 238000005496 tempering Methods 0.000 description 1
- LFQCEHFDDXELDD-UHFFFAOYSA-N tetramethyl orthosilicate Chemical compound CO[Si](OC)(OC)OC LFQCEHFDDXELDD-UHFFFAOYSA-N 0.000 description 1
- 229920001187 thermosetting polymer Polymers 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000013585 weight reducing agent Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B17/00—Layered products essentially comprising sheet glass, or glass, slag, or like fibres
- B32B17/06—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material
- B32B17/10—Layered products essentially comprising sheet glass, or glass, slag, or like fibres comprising glass as the main or only constituent of a layer, next to another layer of a specific material of synthetic resin
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C17/00—Surface treatment of glass, not in the form of fibres or filaments, by coating
- C03C17/28—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material
- C03C17/32—Surface treatment of glass, not in the form of fibres or filaments, by coating with organic material with synthetic or natural resins
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08C—TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
- C08C19/00—Chemical modification of rubber
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F136/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F136/02—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
- C08F136/20—Homopolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds unconjugated
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F8/00—Chemical modification by after-treatment
- C08F8/12—Hydrolysis
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/08—Processes
- C08G18/16—Catalysts
- C08G18/22—Catalysts containing metal compounds
- C08G18/24—Catalysts containing metal compounds of tin
- C08G18/244—Catalysts containing metal compounds of tin tin salts of carboxylic acids
- C08G18/246—Catalysts containing metal compounds of tin tin salts of carboxylic acids containing also tin-carbon bonds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
- C08G18/40—High-molecular-weight compounds
- C08G18/62—Polymers of compounds having carbon-to-carbon double bonds
- C08G18/6275—Polymers of halogen containing compounds having carbon-to-carbon double bonds; halogenated polymers of compounds having carbon-to-carbon double bonds
- C08G18/6279—Polymers of halogen containing compounds having carbon-to-carbon double bonds; halogenated polymers of compounds having carbon-to-carbon double bonds containing fluorine atoms
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G18/00—Polymeric products of isocyanates or isothiocyanates
- C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
- C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
- C08G18/72—Polyisocyanates or polyisothiocyanates
- C08G18/77—Polyisocyanates or polyisothiocyanates having heteroatoms in addition to the isocyanate or isothiocyanate nitrogen and oxygen or sulfur
- C08G18/78—Nitrogen
- C08G18/79—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates
- C08G18/791—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups
- C08G18/792—Nitrogen characterised by the polyisocyanates used, these having groups formed by oligomerisation of isocyanates or isothiocyanates containing isocyanurate groups formed by oligomerisation of aliphatic and/or cycloaliphatic isocyanates or isothiocyanates
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/16—Homopolymers or copolymers of vinylidene fluoride
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- C09D127/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers
- C09D127/02—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment
- C09D127/12—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Coating compositions based on derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C09D127/18—Homopolymers or copolymers of tetrafluoroethene
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- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L31/00—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof
- H01L31/04—Semiconductor devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation and specially adapted either for the conversion of the energy of such radiation into electrical energy or for the control of electrical energy by such radiation; Processes or apparatus specially adapted for the manufacture or treatment thereof or of parts thereof; Details thereof adapted as photovoltaic [PV] conversion devices
- H01L31/042—PV modules or arrays of single PV cells
- H01L31/048—Encapsulation of modules
- H01L31/0481—Encapsulation of modules characterised by the composition of the encapsulation material
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K30/00—Organic devices sensitive to infrared radiation, light, electromagnetic radiation of shorter wavelength or corpuscular radiation
- H10K30/80—Constructional details
- H10K30/88—Passivation; Containers; Encapsulations
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- H10K50/844—Encapsulations
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- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
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- H10K59/80—Constructional details
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- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/724—Permeability to gases, adsorption
- B32B2307/7242—Non-permeable
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- B32B2315/00—Other materials containing non-metallic inorganic compounds not provided for in groups B32B2311/00 - B32B2313/04
- B32B2315/08—Glass
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2327/00—Polyvinylhalogenides
- B32B2327/12—Polyvinylhalogenides containing fluorine
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B32B2457/00—Electrical equipment
- B32B2457/20—Displays, e.g. liquid crystal displays, plasma displays
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F214/18—Monomers containing fluorine
- C08F214/26—Tetrafluoroethene
- C08F214/262—Tetrafluoroethene with fluorinated vinyl ethers
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- C08F216/12—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an alcohol, ether, aldehydo, ketonic, acetal or ketal radical by an ether radical
- C08F216/125—Monomers containing two or more unsaturated aliphatic radicals, e.g. trimethylolpropane triallyl ether or pentaerythritol triallyl ether
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- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/24942—Structurally defined web or sheet [e.g., overall dimension, etc.] including components having same physical characteristic in differing degree
- Y10T428/2495—Thickness [relative or absolute]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/2495—Thickness [relative or absolute]
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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- Y10T428/00—Stock material or miscellaneous articles
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- Y10T428/266—Web or sheet containing structurally defined element or component, the element or component having a specified physical dimension of base or substrate
Definitions
- the present invention relates to a glass sheet fluororesin laminate.
- a cover glass is used on the surface of a display member such as a liquid crystal display or a portable terminal for protection. Moreover, the cover glass is similarly used for the surface of photoelectric conversion elements, such as a solar cell and LED, for protection similarly. These are applications utilizing the excellent durability and transparency of glass.
- the present invention is an object to provide a laminate that solves the above problems, is thin and lightweight, has excellent gas barrier properties, flexibility, durability, and flatness.
- a glass sheet fluororesin laminate comprising a glass sheet having a thickness of 10 to 500 ⁇ m and a fluororesin coating layer.
- a glass sheet fluororesin laminate wherein a fluororesin solution is applied to at least one surface of a glass sheet having a thickness of 10 to 500 ⁇ m, and then the solvent is removed to form a fluororesin coating layer.
- Manufacturing method [10] The glass sheet according to [9], wherein the fluororesin solution is a curable fluororesin solution, and after the solvent is removed, the curable fluororesin is cured to form a cured fluororesin coating layer.
- a method for producing a fluororesin laminate [11] A protective plate comprising the glass sheet fluororesin laminate according to any one of [1] to [8].
- a photoelectric conversion element comprising the glass sheet fluororesin laminate according to any one of [1] to [8].
- a semiconductor device having the glass sheet fluororesin laminate according to any one of [1] to [8] as a base material.
- the glass sheet fluororesin laminate of the present invention is thin and lightweight, has excellent gas barrier properties, flexibility and durability, and excellent flatness.
- the protective plate of this invention is excellent in the applicability to various uses, and is excellent in protection performance and durability.
- the photoelectric conversion element of this invention has a high yield at the time of manufacture, and is excellent in durability.
- the glass sheet fluororesin laminate of the present invention has a glass sheet having a thickness of 10 to 500 ⁇ m and a fluororesin coated layer.
- the glass sheet fluororesin laminate of the present invention may be simply referred to as “laminate”.
- the “film” means a free standing film formed into a sheet shape.
- the glass sheet used for the laminate of the present invention (hereinafter also simply referred to as “glass sheet”) has a thickness of 10 to 500 ⁇ m. If the thickness is less than 10 ⁇ m, even if it is a laminate, the impact resistance is insufficient and it may be easily damaged, which is not preferable. Moreover, when the said thickness exceeds 500 micrometers, the flexibility of a laminated body may be insufficient, and it is unpreferable.
- the thickness is more preferably 20 to 300 ⁇ m, particularly preferably 30 to 100 ⁇ m.
- the surface of the glass sheet used in the present invention is preferably flat.
- the surface roughness is an arithmetic average roughness (Ra) defined by JIS B0601, preferably 30 nm or less, and more preferably 1 nm or less. If it is flat, the light transmittance is high, and even when an electrode such as a transparent conductive film is laminated on the glass surface, the film resistance becomes uniform and defects are less likely to occur.
- the thickness of the glass sheet is preferably uniform. Specifically, the thickness deviation is preferably 15% or less in terms of PV (Peak to Valley) (for example, the deviation is 15 ⁇ m or less with respect to the thickness of 100 ⁇ m). A uniform thickness is preferable because the appearance is good.
- the light transmittance of the glass sheet is preferably 90% or more in the wavelength range of 400 to 700 nm.
- the dielectric constant of the glass sheet is preferably 5 to 7 at 10 kHz.
- the Young's modulus of the glass sheet is preferably 70 to 95 GPa, more preferably 75 to 90 GPa.
- the linear expansion coefficient of the glass sheet is preferably 3 ⁇ 10 ⁇ 6 to 5 ⁇ 10 ⁇ 6 / ° C.
- the material and composition of the glass sheet are not particularly limited. Examples thereof include soda lime glass, alkali-borosilicate glass, alkali-free borosilicate glass, alkali-aluminosilicate glass, and the like. Of these, alkali-free borosilicate glass or alkali-aluminosilicate glass is preferred because of its high durability, high elastic modulus, and low linear expansion coefficient.
- the alkali-free borosilicate glass and the alkali-aluminosilicate glass may be collectively referred to as “alkali-free glass”.
- Alkali-free glass is preferable because a defect of an element due to alkali does not occur when a semiconductor element is formed on the glass.
- the alkali-free glass refers to a glass in which the content ratio of the alkali metal oxide is less than 1 mol% (may be 0 mol%) when the glass composition is represented by an oxide.
- the glass sheet may be subjected to a tempering treatment.
- a tempering treatment chemical strengthening is preferable. If it is chemical strengthening, an effective strengthening process can be applied even to a thin glass sheet. In this case, it is possible to obtain an effect that the laminated body is hardly damaged even if it is thin and lightweight.
- the fluororesin according to the present invention refers to a fluororesin selected from the group consisting of a cured product of a solvent-soluble curable fluororesin, a solvent-soluble fluororesin, and a mixture thereof.
- the “solvent-soluble curable fluororesin solution” and the “solvent-soluble fluororesin solution” may be collectively referred to as “fluororesin solution”.
- the solvent solubility is not limited to a case where a solution in a strict sense can be obtained, and it is only necessary to maintain a stably dispersed state. Further, some turbidity may be seen in the solution state.
- the fluororesin solution is preferably filtered. In particular, it is preferable to use a filter paper having a nominal opening of 5 ⁇ m or less so that a foreign material is removed and a smooth laminate can be obtained.
- the fluorine content of the fluororesin is preferably 5% by mass or more, and more preferably 10% by mass or more.
- a high fluorine content is preferable in that the water absorption rate and relative dielectric constant of the resin are lowered, and the reliability and durability when an element is formed are increased.
- the upper limit of the fluorine content is preferably 76% by mass or less, and more preferably 70% by mass or less because it is easy to make a solution.
- the fluorine content is the proportion of the molecular weight occupied by fluorine atoms, and is usually calculated based on the chemical formula of the monomer. When a plurality of polymers are mixed and used, the fluorine content is calculated from the mixing ratio (mass ratio) thereof.
- fluororesin include a fluorinated olefin polymer and a fluorinated diene compound cyclized polymer.
- Fluorinated olefins include vinyl fluoride, vinylidene fluoride, trifluoroethylene, chlorotrifluoroethylene, tetrafluoroethylene, hexafluoropropylene, fluoroalkyl (meth) acrylate, fluoroalkyl vinyl ether, perfluoro (alkyldioxole), etc. Is mentioned.
- Examples of the monomer not containing a fluorine atom include olefins, vinyl ethers such as alkyl vinyl ether, vinyl esters such as alkyl vinyl ester, and (meth) acrylates such as alkyl (meth) acrylate.
- the monomer not containing a fluorine atom may be a compound having a reactive group such as a hydroxyl group.
- fluororesins and cured products thereof are excellent from a wide viewpoint such as durability, weather resistance, water repellency, antifouling property, and transparency.
- “(Meth) acrylate” is a combination of acrylate and methacrylate.
- Solvent-soluble fluororesins include vinylidene fluoride homopolymers or copolymers, cyclic fluorine-containing monomers such as perfluoro (alkyldioxole) (carbons in which the carbon atoms of the polymerizable unsaturated groups constitute the ring) (Monomers that are atoms) homopolymers or copolymers, homopolymers or copolymers of fluorinated diene compounds that can be cyclopolymerized, copolymers of tetrafluoroethylene and vinyl alcohol, fluoroalkyl (meta And a copolymer of acrylate and (meth) acrylates containing no fluorine atom.
- cyclic fluorine-containing monomers such as perfluoro (alkyldioxole) (carbons in which the carbon atoms of the polymerizable unsaturated groups constitute the ring)
- Monomers that are atoms homopolymers or copoly
- the homopolymer or copolymer of the above-mentioned cyclic fluorine-containing monomer and the homopolymer or copolymer of the fluorine-containing diene compound capable of cyclopolymerization are polymers having a ring structure in the main chain (mainly A polymer in which a part of the carbon atoms of the chain is a carbon atom constituting a ring).
- Solvent-soluble fluororesins include homopolymers of vinylidene fluoride, copolymers of perfluoro (dimethyldioxole) and tetrafluoroethylene, cyclized polymers of perfluoro (butenyl vinyl ether), and tetrafluoroethylene and vinyl.
- a copolymer with alcohol is preferable, and a homopolymer of vinylidene fluoride and a cyclized polymer of perfluoro (butenyl vinyl ether) are particularly preferable.
- the homopolymer of vinylidene fluoride is a polymer that can be crosslinked by heat treatment, but in the present invention, it is a solvent-soluble fluororesin (not a curable fluororesin).
- the solvent-soluble curable fluororesin examples include copolymers of chlorotrifluoroethylene or tetrafluoroethylene and alkyl vinyl ethers having a curable functional group such as a hydroxyl group, and fluorine-containing arylene ethers having a polymerizable functional group such as a vinyl group. A polymer etc. are mentioned.
- the copolymer of tetrafluoroethylene and vinyl alcohol can be reacted with an alkyl silicate oligomer to obtain a curable fluororesin.
- the curable fluororesin having a reactive group can be made into a cured product using a compound having a functional group that reacts with the reactive group as a curing agent or a crosslinking agent.
- a curable fluororesin having a hydroxyl group can be made into a cured product with a curing agent having an isocyanate group.
- a fluororesin having a polymerizable functional group such as a vinyl group can be cured with a radical generator or the like.
- the solvent-soluble curable fluororesin include a hydroxyl group-containing fluororesin composed of a copolymer of chlorotrifluoroethylene and a hydroxyl group-containing vinyl ether, or a copolymer of tetrafluoroethylene and vinyl alcohol with an alkyl silicate oligomer.
- a fluorinated arylene ether polymer having a vinyl group particularly preferably a fluorinated arylene ether polymer having a vinyl group.
- the glass transition temperature of the fluororesin is preferably 200 ° C. or lower, and more preferably 150 ° C. or lower. When the glass transition temperature is low, it is difficult for stress to remain in the laminated body, and flatness is hardly deteriorated due to the influence of the laminated body warping.
- the transmittance of the fluororesin is preferably 80% or more and more preferably 90% or more in the wavelength range of 400 to 700 nm.
- the laminate of the present invention is a laminate of the glass sheet and the fluororesin coating layer.
- a structure of a laminated body the following 4 examples are mentioned typically.
- the configuration (1) or (3) is preferable, and the configuration (1) is particularly preferable in that it is thin and lightweight, and the flatness of the glass sheet surface can be utilized.
- slipperiness with a fluororesin can be imparted.
- the electrostatic chuck can be easily used for conveyance. That is, when the laminate is lifted by a vacuum chuck, the laminate may be deformed, leaving unintended stress. An electrostatic chuck can be used and transported even at a relatively low applied voltage.
- the thickness of the fluororesin coating layer is preferably from 0.1 to 1,000 ⁇ m, more preferably from 0.1 to 500 ⁇ m, and particularly preferably from 1 to 20 ⁇ m.
- the thickness of the laminate is preferably 11 to 1500 ⁇ m, more preferably 30 to 800 ⁇ m, and particularly preferably 30 to 110 ⁇ m.
- the thickness of the laminate of the present invention is preferably uniform. Specifically, the standard deviation of the thickness is preferably 50% or less, and more preferably 35% or less. A uniform thickness is preferable because the appearance is good.
- the resin thickness is preferably 0.001 to 10 when the thickness of the glass sheet is 1. It is more preferably 0.01 to 5, particularly preferably 0.1 to 1.
- the total of them is considered. By setting it as these ranges, the flatness of a laminated body can be made high.
- the laminate of the present invention preferably has a transmittance of 80% or more at a wavelength of 400 to 700 nm, more preferably 90% or more, and particularly preferably 93% or more. It is preferably transparent in the above wavelength range, that is, in the visible light range. If it is transparent, it is suitably used for a protective plate disposed on the front surface of the display member. In addition, when used as a base material for a photoelectric conversion element, if the photoelectric conversion element is a light emitting element, the luminous efficiency is not lowered. If it is a power generation element, the power generation efficiency is lowered. This is preferable.
- the laminate of the present invention has a glass sheet and a fluororesin coating layer.
- the fluororesin coating layer may be formed by directly applying to a glass sheet, or may be applied to another substrate to form a coating film and then transferred to the glass sheet. Since the surface of the fluororesin coating layer tends to be flat, it is preferably formed by direct application.
- a fluororesin solution is applied to at least one surface of a glass sheet having a thickness of 10 to 500 ⁇ m, and then the solvent is removed to form a fluororesin coating layer.
- the manufacturing method When the fluororesin solution is a curable fluororesin solution, the cured fluororesin coating layer is formed by curing the curable fluororesin after removing the solvent.
- the fluororesin solution used in the production method of the present invention is not limited as long as it can be applied.
- the fluororesin solution the fluororesin may be dissolved in a solvent, or the resin may be synthesized in a solvent and used.
- the fluororesin solution may contain components other than the fluororesin and the solvent. In particular, it may contain a compound capable of reacting with a fluororesin when forming a coating film.
- silanes such as alkoxysilanes and alkyl silicate oligomers can be mentioned.
- the solid content of the fluororesin solution is preferably 0.1 to 70% by mass, and preferably 1 to 15% by mass.
- solid content means the ratio by which the solid content obtained by drying a solution is contained in the whole solution.
- 1 g of the solution can be put in an aluminum cup and dried in an oven at 100 ° C. for 10 minutes for measurement.
- the solvent used for the fluororesin solution may be any solvent that can dissolve the fluororesin. Its boiling point is preferably 50 to 300 ° C, more preferably 100 to 250 ° C.
- the surface suitability improvement treatment of the glass sheet may be performed.
- the surface aptitude improving process include a cleaning process and an adhesion improving process.
- the cleaning treatment include water cleaning, water vapor cleaning, solvent cleaning, UV / ozone cleaning, and the like.
- the adhesive improvement treatment include corona treatment and primer treatment.
- the primer used for the primer treatment include aminosilanes and epoxysilanes.
- the method for applying the fluororesin solution is not particularly limited. Specific examples of the coating method include spin coating, dip coating, die coating, slit coating, spray coating, inkjet coating, flexo coating, and gravure coating.
- the application of the fluororesin solution may be performed only once, or may be performed in a plurality of times.
- the solvent is removed from the fluororesin solution layer on the glass sheet to form a fluororesin layer.
- the fluororesin is a curable fluororesin
- the curable fluororesin is cured by curing the curable fluororesin almost simultaneously with or after the solvent is removed.
- the removal of the solvent is usually carried out by heating the layer of the fluororesin solution above the boiling point of the solvent and evaporating and removing the solvent. At the time of this heating, the thermosetting curable fluororesin can be cured almost simultaneously. After removing the solvent, it can be further heated and cured.
- the continuous method is a method in which, after performing a surface suitability improvement treatment as necessary, the fluororesin solution is applied and heated (solvent removal) continuously, and the resulting laminate is wound into a roll.
- this production method is suitable.
- the single wafer method is suitable.
- this production method is suitable.
- the present invention also provides a protective plate comprising the above laminate. Since the laminated body of this invention is excellent in transparency and durability, it is suitable for protective plates, such as a display element. When used as a protective plate, any of the configurations (1) to (4) can be applied. When the adhesive fluororesin is applied to the fluororesin coating layer of the laminate, it can be directly bonded to the display element using the fluororesin coating layer. Since the laminate of the present invention uses a fluororesin, the durability is high. In particular, when a highly transparent fluororesin is used, the color tone of the display can be maintained over a long period of time. Further, it is also suitable as a protective plate for devices used outdoors such as solar cells because of its light weight and high durability (light resistance and weather resistance).
- the present invention also provides a photoelectric conversion element having the above laminate. Since the laminated body of this invention is excellent in transparency and durability, it is suitable for the board
- a photoelectric conversion element both the element which converts light energy into an electrical energy like an organic thin-film solar cell, and the element which converts electrical energy into a light energy like an organic LED are said collectively.
- the following features are suitable. Since the gas barrier property is high by taking advantage of the characteristics of the glass sheet, deterioration (due to oxygen, moisture, etc.) of the organic semiconductor material in the photoelectric conversion element using the organic semiconductor material can be suppressed. Utilizing the characteristics of the entire laminate, the substrate itself is flexible and has excellent flexibility. For this reason, the flexibility of the photoelectric conversion element itself can be increased. Taking advantage of the characteristics of the fluororesin, the deterioration of the resin at a high temperature is small, so that it can withstand the process temperature for producing a photoelectric conversion element at a relatively high temperature. Taking advantage of the properties of fluororesin, it has excellent durability (especially light resistance) and is unlikely to deteriorate.
- the fluororesin coating layer is formed by coating, the flatness of the laminate is high.
- the laminate When a resin film is bonded to a glass sheet, the laminate may be difficult to flatten due to the influence of film roughness and residual stress. In particular, when the glass sheet is thin, the influence is remarkable. Since the process of application of the solution is performed, the thickness is not only uniform, but the influence of the resin on the glass sheet is small, and the flatness of the laminate is improved. For example, when the laminated body is placed on a flat metal mirror surface and the interference fringes are observed, optical interference based on the undulation of the laminated body may be observed, but this interference is hardly seen in the laminated body of the present invention.
- Glass sheet A glass sheet (10 cm ⁇ 10 cm) of non-alkali glass (trade name: AN100) manufactured by Asahi Glass Co., Ltd. was used. A thickness of 50 ⁇ m or 100 ⁇ m was used.
- (Fluorine resin solution A1) 150 parts by mass of a hydroxyl group-containing fluororesin (trade name: Lumiflon LF916F, manufactured by Asahi Glass Co., Ltd., 100% flake body, number average molecular weight 7,000, hydroxyl value 98 mgKOH / g, fluorine content 25.6% by mass), 76 parts by mass Sumijoule N3300 (trade name, manufactured by Sumika Bayer Urethane Co., Ltd., polyisocyanate curing agent) and 1.5 parts by mass of dibutyltin dilaurate were dissolved in 140 parts by mass of propylene glycol monomethyl ether acetate (PGMEA) and fluorine. Resin solution A1 (solid content: 62% by mass) was obtained.
- PGMEA propylene glycol monomethyl ether acetate
- Fluorine resin solution A3 Polyvinylidene fluoride (KYNAR760 manufactured by Arkema Inc., fluorine content 59.4% by mass) was dissolved in N-methylpyrrolidone to obtain a fluororesin solution A3 (solid content: 10% by mass).
- the obtained precipitate was washed and dried to obtain a white powder (fluorinated arylene ether polymer having a vinyl group as a polymerizable functional group, fluorine content of 35.9% by mass).
- the obtained curable fluororesin was dissolved in PGMEA to obtain a fluororesin solution A4 (solid content: 15% by mass).
- This polymer was reacted with concentrated hydrochloric acid, washed and dried to obtain a tetrafluoroethylene / vinyl alcohol copolymer (fluorine content 52.8% by mass).
- the copolymer is dissolved in a mixed solvent (mixture of propylene glycol monomethyl ether (2 parts by mass) and isopropyl alcohol (1.5 parts by mass)) to obtain a fluororesin solution A5 (solid content: 5% by mass). It was.
- Fluorine resin solution A6 To 3.7 g of fluororesin solution A5, 0.2 g of methyl silicate oligomer (manufactured by Tama Chemical Industry: MS51), 0.2 g of organosilica sol (Nissan Chemical Co., Ltd., 30% by mass isopropyl alcohol solution), titanate compound ( 0.01 g of Shin-Etsu Chemical Co., Ltd., D-20) and 0.03 g of hexamethylcyclotrisilazane are mixed, and a fluororesin (fluorine content 48.8 mass%) solution A6 (solid content: 12%) is mixed. Obtained.
- Hydrocarbon resin solution P1 A methyl methacrylate polymer (Sigma Aldrich, weight average molecular weight 120,000) was dissolved in PGMEA to obtain a hydrocarbon resin solution P1 (solid content: 10% by mass).
- FEP fluorinated ethylene propylene
- film thickness: 25 ⁇ m (trade name: NEOFLON NF-0025, manufactured by Daikin) was used.
- Hydrocarbon resin film P3 A polyethylene terephthalate film (film thickness: 50 ⁇ m) (trade name: Cosmo Shine A4100, manufactured by Toyobo Co., Ltd.) was used.
- the glass sheet used was subjected to an adhesion improvement treatment (primer treatment) as a surface suitability improvement treatment on the surface on which the resin is laminated.
- primer treatment a silane coupling agent (trade name: KBM-903, manufactured by Shin-Etsu Silicone) was applied.
- Fluororesin solution A1 The fluororesin solution A1 was applied to one side of a glass sheet by spin coating. It was dried and cured at 25 ° C. for 7 days. The resin film thickness was 4 ⁇ m.
- Fluororesin solution A2 The fluororesin solution A2 was applied to one side of the glass sheet by spin coating. Heated at 100 ° C. for 10 minutes using a hot plate, further heated at 100 ° C. for 1 hour, and at 200 ° C. for 1 hour using an oven. The resin film thickness was 5 ⁇ m.
- Fluororesin solution A3 A fluororesin solution A3 was applied to one side of a glass sheet by spin coating. After heating at 60 ° C. for 1 hour, the temperature was gradually raised and reached 200 ° C., and then heated using an oven for 1 hour. The resin film thickness was 5 ⁇ m.
- Fluororesin solution A4 A fluororesin solution A4 was applied to one side of a glass sheet by spin coating.
- Fluororesin solution A5 The fluororesin solution A5 was applied to one side of the glass sheet by spin coating. It was heated in an oven at 50 ° C. for 30 minutes, 70 ° C. for 2 hours, and 100 ° C. for 1 hour. The resin film thickness was 5 ⁇ m.
- Fluororesin solution A6 A fluororesin solution A6 was applied to one side of a glass sheet by spin coating. It was heated in an oven at 50 ° C. for 30 minutes, 70 ° C. for 2 hours, and 100 ° C. for 1 hour. The resin film thickness was 15 ⁇ m.
- Hydrocarbon resin solution P1 A hydrocarbon resin solution P1 was applied to one side of a glass sheet by spin coating. Heated at 100 ° C. for 10 minutes using a hot plate, further heated at 100 ° C. for 1 hour, and at 200 ° C. for 1 hour using an oven. The resin film thickness was 10 ⁇ m.
- Fluororesin film P2 The fluororesin film P2 was pressure-bonded to a glass sheet at 200 ° C. and then cooled to room temperature.
- Hydrocarbon resin film P3 A hydrocarbon resin film P3 obtained by subjecting a glass sheet to corona treatment was pressure-bonded at room temperature.
- the transmitted light spectrum of the laminate sample in the range of 400 to 700 nm was measured.
- the lowest transmittance in the range of 400 to 700 nm was evaluated as ⁇ (good) when 80% or more, and x (defect) when less than 80%.
- the laminated sample was subjected to an accelerated weathering exposure test using a metal weather testing machine (trade name: Metal Weather, manufactured by Daipura Wintes Co., Ltd.). When the exposure cycle under the following conditions was performed 17 times, the exposure test was performed for a total of 500 hours. The appearance after the exposure test was visually evaluated. The evaluation criteria are the same as the initial appearance.
- Exposure cycle Mode L + D (L: Irradiation, D: Dark condensation) L: Temperature 63 ° C, humidity 50%, time 5 hr D: Temperature 30 ° C., humidity 98%, time 1 hr ⁇ REST mode: No condensation ⁇ Light intensity: 50.0 mW / cm 2 (365 nm) ⁇ With shower: 10 sec before and after D
- Examples 1 to 12 which are the laminates of the present invention, are excellent in flexibility, transparency and flatness. It also has excellent durability.
- Examples 13, 14, 17, and 18 are inferior in durability.
- the flatness is inferior.
- an alkali-free glass sheet (Asahi Glass Co., Ltd .: AN100) (10 cm ⁇ 10 cm ⁇ 0.5 mm) was fixed horizontally on the test bench. On this glass sheet, a laminate sample (10 cm ⁇ 10 cm, glass sheet thickness was 100 ⁇ m) was placed so that the resin surface was down. A force gauge (SHIMPO FGP-5) was attached to the laminate sample. A petri dish with a diameter of 50 mm was prepared and a weight was placed thereon to make a total of 100 g. Ten seconds after placing the petri dish, it was pulled horizontally at 10 mm / second, and the maximum tensile force (static friction force) displayed on the force gauge was measured.
- the fluororesin coating layer preferably does not contain a filler. If it is this aspect, it will be easy to prevent contamination of the conveyance apparatus etc. by the drop-off
- A2 and A3 of fluororesin solution were applied to one side of an alkali-free glass sheet (Asahi Glass Co., Ltd .: AN100) (10 cm ⁇ 10 cm ⁇ 0.5 mm) by spin coating, and heat treated in the same manner as in Examples 4 and 6.
- a laminate sample having a fluororesin coating film layer having a thickness of 2 ⁇ m was used.
- the laminate sample was placed on a horizontal stainless steel work table with the resin surface facing up.
- An electrostatic chuck (bipolar electrostatic chuck (150 mm ⁇ 150 mm) manufactured by Yodogawa Co., Ltd.) was pressed against the laminate sample with a press pressure of 5 N, and then raised with a predetermined applied voltage applied.
- the applied voltage was increased by 0.2 kV for the first time from 0.6 kV.
- the minimum applied voltage at which the laminate sample was correctly chucked and stably increased was measured.
- an alkali-free glass sheet (thickness: 500 ⁇ m) without a resin coating layer was used as a comparative example.
- the results are shown in Table 3. If this voltage is low, it indicates that the workability with the electrostatic chuck is high. Moreover, if the applied voltage is low, the risk of damaging the circuit is reduced when an electronic circuit is formed in the laminate. In the case of Examples 41 and 42 which are laminates of the present invention, the minimum applied voltage was low and the workability was high as compared with a glass sheet having no resin coating layer.
- a photoelectric conversion element was prepared using the laminate sample of Example 3 above. Specifically, ITO (Indium Tin Oxide) was formed by sputtering on one surface of a glass sheet having a thickness of 100 ⁇ m. The fluororesin solution A2 was applied by spin coating on the side without the ITO film. A buffer layer and an organic active layer were formed on the ITO film, and an aluminum electrode was deposited. This was annealed to obtain an organic thin film solar cell. The obtained organic thin film solar cell was flexible.
- ITO Indium Tin Oxide
- an optically useful laminate that is lightweight, has high flexibility, has good durability, and can be provided.
- it can be applied to protective plates and photoelectric conversion elements.
Abstract
Description
[1]厚さが10~500μmであるガラスシートと、フッ素樹脂塗膜層とを有するガラスシートフッ素樹脂積層体。
[2]前記フッ素樹脂塗膜層の厚さが0.1~1,000μmである、[1]に記載のガラスシートフッ素樹脂積層体。
[3]前記ガラスシートの厚さを1とした場合の前記フッ素樹脂塗膜層の厚さが0.001~10である、[1]または[2]に記載のガラスシートフッ素樹脂積層体。
[4]波長が400~700nmにおける透過率が80%以上である、[1]~[3]のいずれかに記載のガラスシートフッ素樹脂積層体。
[6]前記溶媒溶解性フッ素樹脂が主鎖に環構造を有するフッ素樹脂である、[5]に記載のガラスシートフッ素樹脂積層体。
[7]前記溶媒溶解性フッ素樹脂がポリフッ化ビニリデンである、[5]に記載のガラスシートフッ素樹脂積層体。
[8]前記フッ素樹脂が溶媒溶解性の硬化性フッ素樹脂を硬化させてなる硬化フッ素樹脂である、[1]~[4]のいずれかに記載のガラスシートフッ素樹脂積層体。
[10]前記フッ素樹脂の溶液が硬化性フッ素樹脂の溶液であり、溶媒除去後に前記硬化性フッ素樹脂を硬化させて硬化したフッ素樹脂の塗膜層を形成する、[9]に記載のガラスシートフッ素樹脂積層体の製造方法。
[11]前記[1]~[8]のいずれかに記載のガラスシートフッ素樹脂積層体からなる保護板。
[12]前記[1]~[8]のいずれかに記載のガラスシートフッ素樹脂積層体を有する光電変換素子。
[13]前記[1]~[8]のいずれかに記載のガラスシートフッ素樹脂積層体を基材として有する半導体装置。
本発明のガラスシートフッ素樹脂積層体は、厚さが10~500μmであるガラスシートと、フッ素樹脂塗膜層( a fluororesin coated layer )とを有する。以下本明細書では、本発明のガラスシートフッ素樹脂積層体を、単に「積層体」と言うことがある。また本明細書では「フィルム」とは、シート形状に成形された樹脂性の自立膜( a free standing film )を意味する。
本発明の積層体に用いるガラスシート(以下、単に「ガラスシート」ともいう。)は、厚さが10~500μmである。当該厚さが10μm未満では積層体にした場合でも耐衝撃性が不充分となり破損しやすくなる場合があり好ましくない。また当該厚さが500μmを超える場合、積層体の屈曲性が不足する場合があり好ましくない。当該厚さは、20~300μmがより好ましく、30~100μmが特に好ましい。
またガラスシートの光線透過率は、波長が400~700nmの範囲において90%以上が好ましい。
またガラスシートの誘電率は10kHzにおいて5~7が好ましい。またガラスシートのヤング率は、70~95GPaが好ましく、75~90GPaがより好ましい。
さらにガラスシートの線膨張係数は、0~200℃において、3×10-6~5×10-6/℃(3~5ppm/℃)が好ましい。これらの特性を有していれば光電変換素子、表示部材等の保護板、半導体装置の基材等として優れるため好ましい。
本発明にかかるフッ素樹脂とは、溶媒溶解性の硬化性フッ素樹脂の硬化物、溶媒溶解性のフッ素樹脂、およびそれらの混合物からなる群から選ばれるフッ素樹脂をいう。なお、「溶媒溶解性の硬化性フッ素樹脂の溶液」と「溶媒溶解性のフッ素樹脂の溶液」をまとめて「フッ素樹脂溶液」ということがある。なお、溶媒溶解性であるとは、厳密な意味での溶液とすることが可能である場合のみに限定されず、安定に分散した状態が維持できればよい。また溶液状態で多少濁りが見られてもよい。このフッ素樹脂溶液はろ過処理されたものであることが好ましい。特に公称の目開きが5μm以下のろ紙を用いてろ過処理されたものが、異物が除去され平滑な積層体が得られる点で好ましい。
これらの重合体は前述の単量体(含フッ素オレフィン等)の単独重合体であってもよく、共重合体であってもよい。共重合体の場合は、上記含フッ素オレフィン等とフッ素原子を含まない単量体との共重合体であってもよい。フッ素原子を含まない単量体としては、例えば、オレフィン類、アルキルビニルエーテルなどのビニルエーテル類、アルキルビニルエステルなどのビニルエステル類、アルキル(メタ)アクリレート等の(メタ)アクリレート類等が挙げられる。また、フッ素原子を含まない単量体は水酸基などの反応性基を有する化合物であってもよい。
これらのフッ素樹脂やその硬化物であれば、耐久性、耐候性、撥水性、防汚性、透明性等の広い観点で優れる。
なお、「(メタ)アクリレート」とは、アクリレートとメタクリレートとを合わせての表記である。
溶媒可溶性のフッ素樹脂としては、フッ化ビニリデンの単独重合体、ペルフルオロ(ジメチルジオキソール)とテトラフルオロエチレンとの共重合体、ペルフルオロ(ブテニルビニルエーテル)の環化重合体およびテトラフルオロエチレンとビニルアルコールとの共重合体が好ましく、特にフッ化ビニリデンの単独重合体とペルフルオロ(ブテニルビニルエーテル)の環化重合体が好ましい。なお、フッ化ビニリデンの単独重合体は加熱処理により架橋しうる重合体であるが、本発明では溶媒可溶性のフッ素樹脂(硬化性フッ素樹脂ではないもの)とする。
反応性基を有する硬化性フッ素樹脂は、その反応性基と反応する官能基を有する化合物を硬化剤や架橋剤として使用して硬化物とすることができる。例えば、水酸基を有する硬化性フッ素樹脂はイソシアネート基を有する硬化剤等で硬化物とすることができる。また、ビニル基などの重合性官能基を有するフッ素樹脂はラジカル発生剤等で硬化物とすることができる。
溶媒可溶性の硬化性フッ素樹脂としては、クロロトリフルオロエチレンと水酸基含有ビニルエーテル類等との共重合体からなる水酸基含有フッ素樹脂、テトラフルオロエチレンとビニルアルコールとの共重合体にアルキルシリケートオリゴマーを反応させて得られる硬化性フッ素樹脂、ビニル基を有する含フッ素アリーレンエーテル重合体が好ましく、特にビニル基を有する含フッ素アリーレンエーテル重合体が好ましい。
本発明の積層体は前記ガラスシートとフッ素樹脂塗膜層との積層体である。積層体の構成としては、典型的には以下の4例が挙げられる。
(1)ガラスシートの単層とフッ素樹脂塗膜層の単層との組み合わせの構成。すなわち、ガラスシートの片面にフッ素樹脂塗膜層を設けた構成。
(2)ガラスシートの単層とフッ素樹脂塗膜層の二層との組み合わせの構成。すなわち、ガラスシートの両面にフッ素樹脂塗膜層を設けた構成。
(3)ガラスシートの二層とフッ素樹脂塗膜層の単層との組み合わせの構成。すなわち、2層のガラスシートでフッ素樹脂塗膜層を挟んだ構成。
(4)ガラスシートの複層(二層以上)とフッ素樹脂塗膜層の複層(二層以上)との組み合わせの構成。すなわち、ガラスシートとフッ素樹脂塗膜層を交互に多層に設けた構成。
これらの構成の中では薄くて軽量であり、かつ、ガラスシート表面の平坦性が活かせる点で(1)または(3)の構成が好ましく、(1)の構成が特に好ましい。
特に(1)の構成であれば、フッ素樹脂による滑り性を付与することができる。積層体を搬送する際に、フッ素樹脂塗膜層を搬送装置と接触しやすい面に配置することにより、適度な滑り性が付与される。その結果、積層体の位置合わせがしやすい、長尺の積層体の巻き取り精度を高くしやすい等の長所が得られる。さらにフッ素樹脂塗膜層が設けられることにより、フッ素樹脂塗膜層の表面が平滑であっても適度な滑り性が付与される。フッ素樹脂塗膜層が平滑であれば、ガラスシート面の加工に際しても精度の高い加工が可能となる。またフッ素樹脂塗膜層が設けられることにより、樹脂層にフィラー等を用いることなく適度な滑り性が付与される。フィラーを用いると搬送等の作業中にフィラーの脱落が問題になる可能性がある。
フッ素樹脂塗膜層を設けることにより、搬送に静電チャックを利用しやすくなる。すなわち積層体を真空チャックで持ち上げようとすると、積層体が変形し、意図しない応力を残す可能性がある。静電チャックを用い、かつ、比較的低い印加電圧であっても搬送できる。
本発明の積層体の厚さは均一であることが好ましい。具体的には厚さの標準偏差は50%以下が好ましく、35%以下がより好ましい。厚さが均一であれば外観が良好となり好ましい。
本発明の積層体は、ガラスシートとフッ素樹脂塗膜層を有する。ここでフッ素樹脂塗膜層はガラスシートに直接塗布して形成してもよく、別の基材に塗布して塗膜を形成した後でガラスシートに転写してもよい。フッ素樹脂塗膜層の表面が平坦になりやすいことから直接塗布して形成することが好ましい。
本発明のガラスシートフッ素樹脂積層体の製造方法は、厚さが10~500μmであるガラスシートの少なくとも片面にフッ素樹脂の溶液を塗布し、その後溶媒を除去してフッ素樹脂塗膜層を形成する、製造方法である。フッ素樹脂の溶液が硬化性フッ素樹脂の溶液の場合は、溶媒除去後に前記硬化性フッ素樹脂を硬化させて硬化したフッ素樹脂の塗膜層を形成する。
本発明の製造方法に使用されるフッ素樹脂溶液は、塗布可能なものであれば制限はない。フッ素樹脂溶液は、フッ素樹脂を溶媒に溶解してもよく、溶媒中で樹脂を合成して用いてもよい。
フッ素樹脂溶液は、フッ素樹脂と溶媒以外の成分を含んでもよい。特に塗膜を形成する際にフッ素樹脂と反応しうる化合物を含んでもよい。例えばアルコキシシラン、アルキルシリケートオリゴマー等のシラン類が挙げられる。
ガラスシートにフッ素樹脂溶液を塗布する際には特に処理をしなくてもよいが、ガラスシートの表面適性向上化処理を行ってもよい。具体的な表面適性向上化処理としては、洗浄処理、接着性向上処理等が例示できる。洗浄処理としては、水洗浄、水蒸気洗浄、溶剤洗浄、UV/オゾン洗浄等が例示できる。接着性向上処理としては、コロナ処理、プライマ処理等が例示できる。プライマ処理に用いるプライマとしては、アミノシラン類、エポキシシラン類が例示できる。
本発明はまた、前述の積層体からなる保護板を提供する。本発明の積層体は透明性、耐久性に優れることから、表示素子等の保護板に好適である。保護板として用いる際には、前記(1)~(4)のいずれの構成でも適用可能である。接着性のフッ素樹脂を積層体のフッ素樹脂塗膜層に適用した場合には、フッ素樹脂塗膜層を利用して表示素子に直接貼合可能である。本発明の積層体は、フッ素樹脂を用いるため耐久性が高く、特に透明性の高いフッ素樹脂を用いた場合には表示の色調を長期間にわたって維持可能である。また太陽電池等の屋外で使用する装置などの保護板としても、軽量で耐久性(耐光性・耐候性)が高い点で好適である。
本発明はまた、前述の積層体を有する光電変換素子を提供する。本発明の積層体は透明性、耐久性に優れることから、光電変換素子の基板や保護板に好適である。なお光電変換素子としては、有機薄膜太陽電池のような光エネルギーを電気エネルギーに変換する素子、有機LEDのような電気エネルギーを光エネルギーに変換する素子の双方を合わせていう。
(ガラスシート)
旭硝子社製の無アルカリガラス(商品名:AN100)のガラスシート(10cm×10cm)を用いた。厚さは50μmまたは100μmのものを使用した。
150質量部の水酸基含有フッ素樹脂(商品名:ルミフロンLF916F、旭硝子社製、100%フレーク体、数平均分子量7,000、水酸基価98mgKOH/g、フッ素含有率25.6質量%)、76質量部のスミジュールN3300(商品名、住化バイエルウレタン社製、ポリイソシアネート系硬化剤)および1.5質量部のジブチルスズジラウリレート、を140質量部のプロピレングリコールモノメチルエーテルアセテート(PGMEA)に溶解しフッ素樹脂溶液A1(固形分:62質量%)を得た。
ペルフルオロブテニルビニルエーテル(CF2=CFOCF2CF2CF=CF2)を、ジイソプロピルペルオキシジカーボネート(((CH3)2CHOCOO)2)を重合開始剤として用いて環化重合した。開始剤由来の不安定末端を熱処理により-COFとした後、加水分解して-COOHとした。ポリ(ペルフルオロ(ブテニルビニルエーテル))を得た。このポリマーのペルフルオロ(2-ブチルテトラヒドロフラン)溶液で測定した固有粘度[η]は0.23であった。またフッ素含有率は68.3質量%であった。このポリマーをペルフルオロトリブチルアミンに溶解し、フッ素樹脂溶液A2(固形分:14質量%)を得た。
ポリフッ化ビニリデン(アルケマ社製 KYNAR760、フッ素含有率59.4質量%)をN-メチルピロリドンに溶解し、フッ素樹脂溶液A3(固形分:10質量%)を得た。
10Lフラスコに、ペルフルオロビフェニルの650g、1,3,5-トリヒドロキシベンゼンの117g、および、N,N-ジメチルアセトアミドの6202gを投入した。充分に攪拌しながら、60℃で炭酸ナトリウムの575gを添加した。攪拌を継続しながら60℃で24時間保持した。0℃に冷却し、4-アセトキシスチレンの200g、水酸化カリウムの532gを添加し、24時間0℃で攪拌を継続した。得られた液を0.5N塩酸水約10L中に滴下し、沈殿を得た。得られた沈殿は洗浄し、乾燥し、白色粉末(重合性官能基としてビニル基を有する含フッ素アリーレンエーテル重合体、フッ素含有率35.9質量%)を得た。得られた硬化性フッ素樹脂をPGMEAに溶解し、フッ素樹脂溶液A4(固形分:15質量%)を得た。
1Lのステンレス鋼製オートクレーブに、イオン交換水の500g、tert-ブチルビニルエーテルの125g、ペルフルオロオクタン酸アンモニウムの2.5g、リン酸水素2ナトリウムの9.1g、および過硫酸アンモニウムの5.0gを投入した。系内の酸素を除去し、テトラフルオロエチレンの126.5gを導入し、50℃に加熱し、7.5時間反応させた。得られた溶液をメタノール中に投入し、重合体を得た。この重合体を濃塩酸と反応させ、洗浄、乾燥してテトラフルオロエチレン・ビニルアルコール共重合体(フッ素含有率52.8質量%)を得た。該共重合体を、混合溶媒(プロピレングリコールモノメチルエーテル(2質量部)とイソプロピルアルコール(1.5質量部)との混合)に溶解し、フッ素樹脂溶液A5(固形分:5質量%)を得た。
フッ素樹脂溶液A5の3.7gに、メチルシリケートオリゴマー(多摩化学工業社製:MS51)の0.2g、オルガノシリカゾル(日産化学社製、30質量%イソプロピルアルコール溶液)の0.2g、チタネート化合物(信越化学社製、D-20)の0.01g、およびヘキサメチルシクロトリシラザンの0.03gを混合し、フッ素樹脂(フッ素含有率48.8質量%)溶液A6(固形分:12%)を得た。
メタクリル酸メチルポリマー(シグマアルドリッチ社製、重量平均分子量120,000)をPGMEAに溶解し炭化水素系樹脂溶液P1(固形分:10質量%)を得た。
フッ素化エチレンプロピレン(FEP)フィルム(膜厚25μm)(商品名:ネオフロン NF-0025、ダイキン社製)を用いた。
(炭化水素系樹脂フィルムP3)
ポリエチレンテレフタレートフィルム(膜厚50μm)(商品名:コスモシャインA4100、東洋紡社製)を用いた。
以下の試験では、ガラスシートは、樹脂を積層させる面に、表面適性向上化処理として接着性向上処理(プライマ処理)を行ったものを用いた。ただしプライマ処理は、シランカップリング剤(商品名:KBM-903、信越シリコーン社製)を塗布した。
フッ素樹脂溶液A1:ガラスシートにフッ素樹脂溶液A1をスピンコートで片面に塗布した。25℃で7日間乾燥させ硬化させた。樹脂の膜厚は4μmであった。
フッ素樹脂溶液A3:ガラスシートにフッ素樹脂溶液A3をスピンコートで片面に塗布した。60℃で1時間加熱後、徐々に昇温し200℃に達した後1時間、オーブンを用いて加熱した。樹脂の膜厚は5μmであった。
フッ素樹脂溶液A4:ガラスシートにフッ素樹脂溶液A4をスピンコートで片面に塗布した。150℃で2分間、ホットプレートを用いて加熱し、さらに150℃で10分間、オーブンを用いて加熱した。樹脂の膜厚は1μmであった。
フッ素樹脂溶液A5:ガラスシートにフッ素樹脂溶液A5をスピンコートで片面に塗布した。50℃で30分間、70℃で2時間、100℃で1時間、オーブンを用いて加熱した。樹脂の膜厚は5μmであった。
フッ素樹脂溶液A6:ガラスシートにフッ素樹脂溶液A6をスピンコートで片面に塗布した。50℃で30分間、70℃で2時間、100℃で1時間、オーブンを用いて加熱した。樹脂の膜厚は15μmであった。
炭化水素系樹脂フィルムP3:ガラスシートにコロナ処理を施した炭化水素系樹脂フィルムP3を室温で圧着した。
(屈曲性)
積層体試料の対向する2辺を両手で保持し、非常に容易に曲げられる場合を◎(優秀);容易に曲げられる場合を○(良好);曲げにくく、無理に曲げようとすると破損した場合を×(不良)とした。
研磨された金属鏡面に積層体試料をガラスシートが金属側、樹脂が大気側になるように静かに置いた。干渉縞を目視で観測することによって平坦性を評価した。ほとんど観測されないものを○(良好)、観測されたものを×(不良)とした。
積層体試料の400~700nmの範囲の透過光スペクトルを測定した。400~700nmの範囲における最も低い透過率が80%以上を○(良好)、80%未満を×(不良)とした。
積層体試料の外観を目視で評価した。異物欠陥、黄変のないものを○(良好)、これらの欠点の少なくとも1種類があるものを×(不良)とした。
積層体試料についてメタルウェザー試験機(ダイプラウィンテス社製、商品名:メタルウェザー)を用いて、促進耐候性曝露試験を行った。以下の条件の曝露サイクルを17回行った場合を100時間相当とし、合計500時間相当の曝露試験を行った。この暴露試験後の外観を目視で評価した。評価基準は初期外観と同じである。
曝露サイクル
・モード:L+D(L:照射、D:暗黒結露)
・L:温度63℃、湿度50%、時間5hr
・D:温度30℃、湿度98%、時間1hr
・RESTモード:結露なし
・光量:50.0mW/cm2(365nm)
・シャワー有り:Dの前後10sec
本発明の積層体である例1~12は屈曲性、透明性に優れ、かつ平坦性に優れる。さらに耐久性にも優れる。一方例13、14、17、18では耐久性で劣っている。また例15~18では平坦性で劣っている。樹脂フィルムを積層した場合には積層時に積層のための応力を均一にかけることが難しく、またさらに、フィルム内の応力が不均一になりやすいためと考えられる。
無アルカリガラスシート(旭硝子社製:AN100)(10cm×10cm×100μm)の片面にフッ素樹脂溶液のA2、A3、A4を、スピンコートにより塗布し、例4、例6、例8と同様に熱処理して、例31、32では厚さ2μm、例33では厚さ5μmのフッ素樹脂塗膜層を有する積層体試料とした。
JIS-K-7125:1999(ISO-8295:1995)に準じて摩擦力を測定した。具体的には、無アルカリガラスシート(旭硝子社製:AN100)(10cm×10cm×0.5mm)を試験台に水平に固定した。このガラスシート上に、樹脂面が下になるように積層体試料(10cm×10cm、ガラスシート厚さは100μm)を置いた。積層体試料にはフォースゲージ(SHIMPO FGP-5)を取り付けた。φ50mmのシャーレを用意し、おもりを載せ、合計で100gとした。このシャーレを載せてから10秒後に10mm/秒で水平に引っ張り、フォースゲージに表示された最大の引っ張り力(静摩擦力)を測定した。比較例として、フッ素樹脂塗膜層を設けていない無アルカリガラスシート(厚さ100μm)を用いた。結果を表2に示す。
本発明の積層体である例31、32、33の場合は引っ張り力が小さく、滑り性が良好であった。ガラス表面どうしが接触する場合(例35)と比較しても滑り性が良好である。連続した長尺の積層体を巻き取る場合や積層体のカットシートを重ねた場合に、この滑り性が良いと、所望の重なり状態を達成しやすい。すなわち無理な力を加えて積層体をそろえる必要がない。このためガラス面が傷付き、破損する可能性を低く抑えることができる。
一方、非フッ素樹脂のフィルムを積層した例34の場合には、引っ張り力が大きかった。すなわちフィルムとガラスとを重ねた場合に、滑り性が低く、ガラス面が傷付き、破損する可能性が高いことがわかった。
樹脂塗膜層にフィラーを混ぜて樹脂表面に凹凸を付与した場合には、フィラー(固体粒子)の脱落が発生する場合がある。この場合、搬送装置等に脱落したフィラーが付着し、ガラス面が傷付き、破損する可能性がある。本発明の積層体は、フッ素樹脂塗膜層がフィラーを含まないことが好ましい。この態様であれば、フィラーの脱落による搬送装置等の汚染が防止しやすい。またフッ素樹脂塗膜層が平坦であるため、ガラス面またはフッ素樹脂塗膜面に微細な加工(例えば電子回路等)を施すことが可能となる。
無アルカリガラスシート(旭硝子社製:AN100)(10cm×10cm×0.5mm)の片面にフッ素樹脂溶液のA2、A3を、スピンコートにより塗布し、例4、例6と同様に熱処理して、厚さ2μmのフッ素樹脂塗膜層を有する積層体試料とした。積層体試料を水平なステンレス鋼製作業台の上に、樹脂面が上になるように置いた。静電チャック(巴川社製、複極式静電チャック(150mm×150mm))を積層体試料にプレス圧5Nで押し付けた後、所定の印加電圧を加えた状態で上昇させた。印加電圧は0.6kVから初めて0.2kVずつ印加電圧を高くしていった。積層体試料が正しくチャックされ安定に上昇した最低印加電圧を測定した。比較例として、樹脂塗膜層を設けていない無アルカリガラスシート(厚さ500μm)を用いた。結果を表3に示す。この電圧が低ければ静電チャックでの作業性が高いことを示す。また印加電圧が低ければ、積層体に電子回路が形成されていた場合に、該回路を損傷させるリスクが下がり好ましい。本発明の積層体である例41、42の場合は、樹脂塗膜層を有していないガラスシートと比較して、最低印加電圧が低く、作業性が高かった。
上記例3の積層体試料を用いて光電変換素子を作成した。具体的には、厚さが100μmのガラスシートの一面にITO(Indium Tin Oxide)をスパッタ成膜した。ITO膜が無い側にフッ素樹脂溶液A2をスピンコートで塗布した。またITO膜の上にバッファ層と有機活性層を成膜し、アルミ電極を蒸着した。これをアニール処理し有機薄膜太陽電池とした。得られた有機薄膜太陽電池は柔軟であった。
なお、2012年8月9日に出願された日本特許出願2012-176972号、2012年10月22日に出願された日本特許出願2012-233197号および2013年4月2日に出願された日本特許出願2013-077237号の明細書、特許請求の範囲、図面および要約書の全内容をここに引用し、本発明の明細書の開示として、取り入れるものである。
Claims (13)
- 厚さが10~500μmであるガラスシートと、フッ素樹脂塗膜層とを有するガラスシートフッ素樹脂積層体。
- 前記フッ素樹脂塗膜層の厚さが0.1~1,000μmである、請求項1に記載のガラスシートフッ素樹脂積層体。
- 前記ガラスシートの厚さを1とした場合の前記フッ素樹脂塗膜層の厚さが0.001~10である、請求項1または2に記載のガラスシートフッ素樹脂積層体。
- 波長が400~700nmにおける透過率が80%以上である、請求項1~3のいずれか一項に記載のガラスシートフッ素樹脂積層体。
- 前記フッ素樹脂が溶媒溶解性フッ素樹脂である、請求項1~4のいずれか一項に記載のガラスシートフッ素樹脂積層体。
- 前記溶媒溶解性フッ素樹脂が主鎖に環構造を有するフッ素樹脂である、請求項5に記載のガラスシートフッ素樹脂積層体。
- 前記溶媒溶解性フッ素樹脂がポリフッ化ビニリデンである、請求項5に記載のガラスシートフッ素樹脂積層体。
- 前記フッ素樹脂が溶媒溶解性の硬化性フッ素樹脂を硬化させてなる硬化フッ素樹脂である、請求項1~4のいずれか一項に記載のガラスシートフッ素樹脂積層体。
- 厚さが10~500μmであるガラスシートの少なくとも片面にフッ素樹脂の溶液を塗布し、その後溶媒を除去してフッ素樹脂塗膜層を形成することを特徴とするガラスシートフッ素樹脂積層体の製造方法。
- 前記フッ素樹脂の溶液が硬化性フッ素樹脂の溶液であり、溶媒除去後に前記硬化性フッ素樹脂を硬化させて硬化したフッ素樹脂の塗膜層を形成する、請求項9に記載のガラスシートフッ素樹脂積層体の製造方法。
- 請求項1~8のいずれか一項に記載のガラスシートフッ素樹脂積層体からなる保護板。
- 請求項1~8のいずれか一項に記載のガラスシートフッ素樹脂積層体を有する光電変換素子。
- 請求項1~8のいずれか一項に記載のガラスシートフッ素樹脂積層体を基材として有する半導体装置。
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JP2015197980A (ja) * | 2014-03-31 | 2015-11-09 | ダイキン工業株式会社 | 有機デバイス |
US20160297169A1 (en) * | 2015-04-08 | 2016-10-13 | Asahi Glass Company, Limited | Laminated plate |
CN106045338A (zh) * | 2015-04-08 | 2016-10-26 | 旭硝子株式会社 | 夹层板 |
JP2018118415A (ja) * | 2017-01-24 | 2018-08-02 | 東京応化工業株式会社 | 積層体、積層体の製造方法、表面処理液、表面処理方法、生体分子吸着層、及び分析用器材 |
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CN106587656A (zh) * | 2016-12-14 | 2017-04-26 | 郑州人造金刚石及制品工程技术研究中心有限公司 | 一种新型高耐磨玻璃及其制备方法 |
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JP2015197980A (ja) * | 2014-03-31 | 2015-11-09 | ダイキン工業株式会社 | 有機デバイス |
US20160297169A1 (en) * | 2015-04-08 | 2016-10-13 | Asahi Glass Company, Limited | Laminated plate |
CN106045338A (zh) * | 2015-04-08 | 2016-10-26 | 旭硝子株式会社 | 夹层板 |
JP2016199457A (ja) * | 2015-04-08 | 2016-12-01 | 旭硝子株式会社 | 合わせ板 |
CN106045338B (zh) * | 2015-04-08 | 2020-08-11 | Agc株式会社 | 夹层板 |
JP2018118415A (ja) * | 2017-01-24 | 2018-08-02 | 東京応化工業株式会社 | 積層体、積層体の製造方法、表面処理液、表面処理方法、生体分子吸着層、及び分析用器材 |
Also Published As
Publication number | Publication date |
---|---|
US20150152004A1 (en) | 2015-06-04 |
KR20150042778A (ko) | 2015-04-21 |
CN104520098A (zh) | 2015-04-15 |
JPWO2014024933A1 (ja) | 2016-07-25 |
TW201410451A (zh) | 2014-03-16 |
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